Conserved Protein Domain Family
ZnB-Zn_EMF2-like

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cd21749: ZnB-Zn_EMF2-like 
zinc finger-binding (ZnB) and C2H2-type zinc finger (Zn) domain found in Arabidopsis thaliana Polycomb group protein EMBRYONIC FLOWER 2 (EMF2), and similar proteins
This family includes a group of plant proteins similar to Arabidopsis thaliana Polycomb group (PcG) proteins EMF2 and FERTILIZATION-INDEPENDENT SEED 2 (FIS2). EMF2 is involved in flowering processes by repressing unknown target genes and preventing reproductive development. It participates in polycomb group (PcG) protein complex-mediated (probably in complex with EMF1) silencing of the flower homeotic genes AGAMOUS (AG), PISTILLATA (PI), and APETALA3 (AP3), as well as of some regulatory genes such as ABSCISIC ACID INSENSITIVE3 (ABI3), LONG VEGETATIVE PHASE1 (LOV1), and FLOWERING LOCUS C (FLC) during vegetative development, by mediating trimethylation of histone 3 lysine 27 on the AG chromatin (H3K27me3). FIS2 is required to prevent the proliferation of the central cell by repressing unknown target genes before fertilization. It regulates the anteroposterior organization of the endosperm. Members in this family show high sequence similarity with a unique structural ZnB-Zn platform found in metazoan, which consists of zinc finger-binding (ZnB) and C2H2-type zinc finger (Zn).
Statistics
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PSSM-Id: 439245
Aligned: 21 rows
Threshold Bit Score: 121.607
Created: 2-Mar-2020
Updated: 17-Oct-2022
Structure
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Aligned Rows:
 
putative Zn
Feature 1: putative Zn binding site [ion binding site], 4 residue positions
Conserved feature residue pattern:C C H HClick to see conserved feature residue pattern help
Evidence:
  • Comment:Based on the structure evidence that Homo sapiens SUZ12 (5WAI) binds Zn2+ ion.

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
Feature 1                                                                                         
Q8L6Y4         33 EEEIAAEESLAAYCKPVELYNIIQRRAIRnplflqrclhykieakhkrriqmtvflsgaidagvqtqklfplyillarlv 112  thale cress
GBG83230      104 PTQDEAEASLRVYCKPVELYNLIQTRCEKnpmflqrtlsykrevkdrrsfpakvtvnvisciarprveedrscvnggavr 183  Chara braunii
QCE07761       29 EQKLDASNSFTAYCEPVEIYNTIQSRPRFlqrslyrnrkekhkkrilmtvvlswkvdeirslfpmciglgrldpnneptg 108  cowpea
XP_019438987   19 RNRDDVEDSFEHYCQPTELYNLLMLRAKEnpiflnrclnyrikarnkrikmkvslslringtenvaplyiclgrqlqlnn 98   narrow-leaved...
XP_021318843   36 LSSDFAENSRVLFGNHTLLCELIKKRAKEkpsflqrdlrykiqakqnkriqitislsgssntvqaqnifplyaliakpvs 115  sorghum
PWA43167       27 EEQATAEASMRVYLKPVTFYNILEDRDKVnpsflarglryklqekhtkklqlsvfiseaigdkiqtqttfplyillarqd 106  sweet wormwood
XP_019427143   34 EDMLAPKESFTIYCQLMELYNFLMHRAKEnptflnrcldyrikakhkrikmkvsmslridetenvlplyiclarqtpnnr 113  narrow-leaved...
P0DKJ7         56 DDDVDVDENIIKYIKPVAVYKKLETRSKNnpyflrrslkyi--------------------------------------- 96   thale cress
PWA77661       35 EQARAARQGLKVYCKPIEYYNILHDRALDkplylqkclhyk--------------------------------------- 75   sweet wormwood
Q8W5B1         13 EEVISTDENLLIYCKPVRLYNIFHLRSLGnpsflprclnyk--------------------------------------- 53  
Feature 1                                                                                         
Q8L6Y4        113 spkpvaeysavyrfsraciltgglgvdgvsqaqanfllpdmnrlaleaksgslailfisfagaqnsqfg----------- 181  thale cress
GBG83230      184 gatssgsnvllrstcpngpvssdggnwrrgnvampvgnsqgqgragggssaaclpenggsvvreghpmmpmfivlarchn 263  Chara braunii
QCE07761      109 eekyhirriftfegpsgvnwddvkhvrlnfmlpqveklavetnydkyflfilasgenpislsthnasklts--------- 179  cowpea
XP_019438987   99 kkekqfspadyqvsrmfkfqsspeidgdivnakyqlpevykfaeeaqsgslyilvfttvkdrissrea------------ 166  narrow-leaved...
XP_021318843  116 tilykghspvyqftraclltcfdesgrnshteatfiiedlktlaniilvscgkfgqspdenncskn-------------- 181  sorghum
PWA43167      107 pipnretlrsssyhfkkaikltasdgtqakfnlpeikklsaevkdrsfsillvsgadht--------------------- 165  sweet wormwood
XP_019427143  114 naeycadyrisrifkfedfpeidgdaevqakfklpevnklaeeaksgslylmvfttv----------------------- 170  narrow-leaved...
P0DKJ7            --------------------------------------------------------------------------------      thale cress
PWA77661          --------------------------------------------------------------------------------      sweet wormwood
Q8W5B1            --------------------------------------------------------------------------------     
Feature 1                                                                                         
Q8L6Y4            --------------------------------------------------------------------------------      thale cress
GBG83230      264 rngsstlvcplgekmvkvpikkgraamasscppmsvmaskqaregetsaeiassasfllsshnrptgmsrlhcksclegp 343  Chara braunii
QCE07761          --------------------------------------------------------------------------------      cowpea
XP_019438987      --------------------------------------------------------------------------------      narrow-leaved...
XP_021318843      --------------------------------------------------------------------------------      sorghum
PWA43167          --------------------------------------------------------------------------------      sweet wormwood
XP_019427143      --------------------------------------------------------------------------------      narrow-leaved...
P0DKJ7            --------------------------------------------------------------------------------      thale cress
PWA77661          --------------------------------------------------------------------------------      sweet wormwood
Q8W5B1            --------------------------------------------------------------------------------     
Feature 1                                                                                         
Q8L6Y4        182 ------------------------------------------------------idsgkihsgnigghclwskiplqsly 207  thale cress
GBG83230      344 klllvlwedmsdvrslgrlwtnpadlsivppsgrvlwvqlslltsgypsaqfrtedgtemsngstlrdgrfitsplhsgk 423  Chara braunii
QCE07761      180 ----------------------------------------------------evasnessggekclygkvslkflyeiln 207  cowpea
XP_019438987  167 -------------------------------------------------------ktdlvpsdeaiprdfclcgrvslqy 191  narrow-leaved...
XP_021318843  182 ---------------------------------------------------------qlensslrklggqcfwgkipndl 204  sorghum
PWA43167      166 ----------------------------------------------------------------npnemdrtidqlltqs 181  sweet wormwood
XP_019427143  171 ------------------------------------------------------------------knrnssseanrnpi 184  narrow-leaved...
P0DKJ7            --------------------------------------------------------------------------------      thale cress
PWA77661          --------------------------------------------------------------------------------      sweet wormwood
Q8W5B1            --------------------------------------------------------------------------------     
Feature 1                                                                                         
Q8L6Y4        208 aswqkspnmdlgqrvdtvslvemqpcfiklksmseekcvsiqvpsnpltssspqqvqvtisaeevgstekspyssfsynd 287  thale cress
GBG83230      424 iwtepepgggsslffidrredvshmevevtlnlriepsevrattnsaslteagqdahgsvngseselrnsgnvtpshicq 503  Chara braunii
QCE07761      208 ispdsplkqrteiqfstelrscnlkywmqrytrtesstisirdsndskgmskkieistgfeefgaameaphgrtqekiee 287  cowpea
XP_019438987  192 lyytwdidpsfvssqmgeteltidlapyyikredrewrlsiedpyhpdnetaikklpmqvyaeeygakdrphyltyssrd 271  narrow-leaved...
XP_021318843  205 lhsslencvdlslgrtkkfalpvtmspgfgetkyleqdsfltfcslkfnsvcpyqlevsiraqttgarymfkspynsyly 284  sorghum
PWA43167      182 yagecvmgkvpindilhktcetpnlslgeklrcistvsmqscrmkvtfpnvvtfqfpynsesvqvpvvvtaeeagaeaid 261  sweet wormwood
XP_019427143  185 psdeceiyfyfvsgqgaeivmsidlipcylkcvekdqsisvqapyksyyettikklqilvsaeeygskerspyftyssrd 264  narrow-leaved...
P0DKJ7            --------------------------------------------------------------------------------      thale cress
PWA77661          --------------------------------------------------------------------------------      sweet wormwood
Q8W5B1            --------------------------------------------------------------------------------     
Feature 1                                                 #  #            #    #                  
Q8L6Y4        288 issssllqiirlrtGNVVFNYRYy--nNKLQKTEVTeDFSCPFCLVKCAsFKGLRYHLPSTHDLLNFEFWVTE--EFQAV 363  thale cress
GBG83230      504 rngisvrlqqrscgDKVTFRYWYy--nNTMYKTEVTqHFSCPFCLALCGsFEGLYHHLQASHDLFRFVCMSDD--RLVHV 579  Chara braunii
QCE07761      288 sslssllphftwlpGIVSFHYRYy--hNMLRKVEVTeNFTCAICLVQCKnFKSLKFHLKASHPIFNFEFSESK--AFPSV 363  cowpea
XP_019438987  272 ilspdlvsimrlreRSVFFNYSYh--dNKLLKSEATnDFTCAICSARCGsYKGIRYHLESSHDFFDFDFWGDQv-INVSI 348  narrow-leaved...
XP_021318843  285 ndvppsflphivslRNGNVCFKYg--nDIFDATEVTeGFCCSFCYEKCGsFLGLQWHLMSSHDRFNFEFWISE--KEQGV 360  sorghum
PWA43167      262 nnnillppglglipGEVAFNFKGhndiVCETGFEVRpDYSCAFCLLKCAsYKGLKCHLQASHGLFDFEFQEHE--EYQLV 339  sweet wormwood
XP_019427143  265 ilspslarlirlreRNVLFNYRYc--hNSLRKTEVTaDFACPLCLVRCGsYKGVRYHMHSSHDLFDFEFTVDQt-VNVSI 341  narrow-leaved...
P0DKJ7         97 --iqakkkkksnsgGKIRFNYRDvs-nKMTLKAEVVeNFSCPFCLIPCGgHEGLQLHLKSSHDAFKFEFYRAEkdHGPEV 173  thale cress
PWA77661       76 ---vqenrkrrqrsGNVTFHFKCc--nNMYQTSEVMeDYSCAICLIKCAsFKGLKCHLRACHDLFHYEFQLDE--DYQVV 148  sweet wormwood
Q8W5B1         54 --igakrkrksrstGMVVFNYKDc--nNTLQRTEVReDCSCPFCSMLCGsFKGLQFHLNSSHDLFEFEFKLLE--EYQTV 127 
Feature 1                  
Q8L6Y4        364 NVSLKTETM 372  thale cress
GBG83230      580 ACRKDCYGV 588  Chara braunii
QCE07761      364 SVSVKLNWR 372  cowpea
XP_019438987  349 KPEVLEVIT 357  narrow-leaved blue lupine
XP_021318843  361 NVTLKHNTW 369  sorghum
PWA43167      340 TISYNKSED 348  sweet wormwood
XP_019427143  342 KADVFEIVG 350  narrow-leaved blue lupine
P0DKJ7        174 DVSVKSDTI 182  thale cress
PWA77661      149 NVSWKTDEF 157  sweet wormwood
Q8W5B1        128 NVSVKLNSF 136 

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